Home / 455,307-655,887

Finding the Third Proportional to 455,307 and 655,887

Calculator

Solution

The third proportional to 455,307 and 655,887 is: 944,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,307 : 655,887 = 655,887 : x
  2. Step 2: Convert to fraction form
    455,307/655,887 = 655,887/x
  3. Step 3: Cross multiply
    455,307x = 655,887 × 655,887
  4. Step 4: Simplify right side
    455,307x = 430,187,756,769
  5. Step 5: Solve for x
    x = 430,187,756,769/455,307
  6. Step 6: Final answer
    x = 944,830.10

Related Problems

Find third proportional to 227,653.50 and 327,943.50
Half scale
Find third proportional to 910,614 and 1,311,774
Double scale
Find third proportional to 455,309 and 655,890
Similar ratio
Find third proportional to 682,960.50 and 983,830.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.